19585305

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 35942400

約数和(自身を除く): 16357095

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 127, 149, 207, 345, 381, 447, 635, 745, 1035, 1143, 1341, 1905, 2235, 2921, 3427, 5715, 6705, 8763, 10281, 14605, 17135, 18923, 26289, 30843, 43815, 51405, 56769, 94615, 131445, 154215, 170307, 283845, 435229, 851535, 1305687, 2176145, 3917061, 6528435, 19585305]

約数ペア:

[(1, 19585305), (3, 6528435), (5, 3917061), (9, 2176145), (15, 1305687), (23, 851535), (45, 435229), (69, 283845), (115, 170307), (127, 154215), (149, 131445), (207, 94615), (345, 56769), (381, 51405), (447, 43815), (635, 30843), (745, 26289), (1035, 18923), (1143, 17135), (1341, 14605), (1905, 10281), (2235, 8763), (2921, 6705), (3427, 5715)]